Table 3.

Prevalence and Extent/Severity of High-Resolution Computed Tomographic Scan Abnormalities

HRCT Pattern	Participants, No. (%)
	Prevalence of Pattern	Relative Proportion of Severitya
		0 < Score < 25	25 < Score < 50	Score ≥50
Bronchiectasis extent	28 (33)	19 (68)	8 (29)	1 (4)
Bronchiectasis severity	NA	17 (61)	9 (32)	2 (7)
Bronchial wall thickening	69 (82)	51 (74)	16 (23)	2 (3)
Small-airway plugging	12 (14)	12 (100)	0 (0)	0 (0)
Large-airway plugging	10 (12)	7 (70)	3 (30)	0 (0)
Lobar volume loss	24 (29)	22 (92)	1 (4)	1 (4)

Abbreviation: NA, not applicable.

^aPercentage of total with pattern.